EPJ Web Conf.
Volume 241, 2020The 12th International Workshop on the Physics of Excited Nucleons (NSTAR 2019)
|Number of page(s)||5|
|Published online||22 September 2020|
KY electroproduction at CLAS12
(for the CLAS Collaboration) - INFN, Istituto Nazionale di Fisica Nucleare, Sezione di Roma Tor Vergata
* Corresponding author: email@example.com
Published online: 22 September 2020
An experimental program has been approved at the Thomas Jefferson National Accelerator Facility to measure the (ep,e’K+)Y reactions using the CLAS12 setup in Hall B. Data have been obtained using a 7.5 GeV electron beam, impinging upon a liquid hydrogen target in the CLAS12 center. Scattered electrons have been detected in an angle range of 2.5° to 4.5° by the Forward Tagger (FT) and at angles greater than 5° in the CLAS12 Forward Detector, allowing to measure the KY electroproduction differential cross section and to probe the Q2 evolution of the N* resonances electrocouplings in the Q2 range from 0.05 GeV2 to 3 GeV2. The study of the Q2 dependence of the electrocouplings will provide a crucial tool to investigate the possible hybrid nature of the N* resonances. Preliminary results from CLAS12 data are compared with simulated data using a realistic Gent Regge plus resonance event generator
© The Authors, published by EDP Sciences, 2020
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